0000315066-17-001369.txt : 20170213 0000315066-17-001369.hdr.sgml : 20170213 20170213143753 ACCESSION NUMBER: 0000315066-17-001369 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170203 FILED AS OF DATE: 20170213 DATE AS OF CHANGE: 20170213 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PROTEOSTASIS THERAPEUTICS, INC. CENTRAL INDEX KEY: 0001445283 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE BUSINESS ADDRESS: STREET 1: 200 TECHNOLOGY SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617-225-0096 MAIL ADDRESS: STREET 1: 200 TECHNOLOGY SQUARE CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: PROTEOSTASIS THERAPEUTICS INC DATE OF NAME CHANGE: 20080916 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: FMR LLC CENTRAL INDEX KEY: 0000315066 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37695 FILM NUMBER: 17598253 BUSINESS ADDRESS: STREET 1: 245 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 6175706339 MAIL ADDRESS: STREET 1: 245 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02210 FORMER NAME: FORMER CONFORMED NAME: FMR CORP DATE OF NAME CHANGE: 19920717 3 1 primary_doc.xml PRIMARY DOCUMENT X0206 3 2017-02-03 0 0001445283 PROTEOSTASIS THERAPEUTICS, INC. PTI 0000315066 FMR LLC 245 SUMMER STREET BOSTON MA 02210 0 0 1 1 See Remark 1 Common Stock 495985 I Impresa Fund III Limited Partnership Common Stock 4823 I F-Prime Inc. Table I, Column 2 does not include shares beneficially owned by FMR Co., Inc. as a result of acting as investment adviser to various investment companies as disclosed in Remark 2 below. Impresa Fund III Limited Partnership is solely managed by Impresa Management LLC, its general partner and investment manager. Impresa Management LLC is owned, directly or indirectly, by various shareholders and employees of FMR LLC, including certain members of the Johnson family. F-Prime Inc. is a wholly-owned subsidiary of FMR LLC. Remark 1: Abigail P. Johnson is a Director, the Chairman and the Chief Executive Officer of FMR LLC. Members of the Johnson family, including Abigail P. Johnson, are the predominant owners, directly or through trusts, of Series B voting common shares of FMR LLC, representing 49% of the voting power of FMR LLC. The Johnson family group and all other Series B shareholders have entered into a shareholders' voting agreement under which all Series B voting common shares will be voted in accordance with the majority vote of Series B voting common shares. Accordingly, through their ownership of voting common shares and the execution of the shareholders' voting agreement, members of the Johnson family may be deemed, under the Investment Company Act of 1940, to form a controlling group with respect to FMR LLC. The address of Abigail P. Johnson is c/o FMR LLC, 245 Summer Street, Boston, MA 02110. Remark 2: In addition to the securities shown in Table I, FMR Co., Inc., an indirect wholly-owned subsidiary of FMR LLC and an investment adviser registered under the Investment Advisers Act of 1940, is the beneficial owner of 1,999,728 shares, or 8.012%, of Common Stock of Proteostasis Therapeutics, Inc., as a result of acting as investment adviser to various investment companies registered under the Investment Company Act of 1940. FMR LLC and Abigail P. Johnson have no pecuniary interest in these 1,999,728 shares of Common Stock. Remark 3: The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the undersigned are the beneficial owners of any securities reported herein. Marc R. Bryant, Duly authorized under Powers of Attorney, by and on behalf of FMR LLC and its direct and indirect subsidiaries, and Abigail P. Johnson 2017-02-13